【电】 switching theory
exchange; interchange; change for; commute; permutation; reciprocation
replacement
【计】 exchange; swap; swapping; switching; transput; X
【医】 chiasmapy; cross-over; crossing-over
【经】 interchange; swap
frame of reference; theoretics; theorization; theory
【化】 Rice-Ramsperger-Kassel theoryRRK; theory
【医】 rationale; theory